#define   _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

void main() {

	int i = 0, j = 0;

	for (i = 2000; i <= 3000; i=i+4)
	{
		j++;

		printf("%d ",i);

		if (j % 10 == 0)
		{
			printf("\n");
		}
	}

}